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          <h1 class="post-title" itemprop="name headline">centos7下locate的使用</h1>
        

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        <p>电脑上新装了linux虚拟机，centOS7版本的。玩起了linux，发现耍耍命令行的感觉还是蛮好的，比图形化工具要好，想深入了解下。</p>
<p>linux下查找文件的命令，常用的有<code>find</code>和<code>locate</code>，<code>locate</code>其实是<code>find -name</code>的另一种写法，但是它要比<code>find</code>快，因为它不搜索具体目录，而是在数据库中搜索。</p>
<a id="more"></a>
<p>执行 <code>updatedb</code>，用来生成数据库，发现找不到此命令。</p>
<p><img src="http://upload-images.jianshu.io/upload_images/4060631-b151954439b9db53.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240" alt="image.png"></p>
<p>原来centos7上没有安装locate,执行<code>yum -y install mlocate</code>，安装完成后，再次执行<code>updatedb</code></p>
<p><img src="http://upload-images.jianshu.io/upload_images/4060631-80f5fa33da5bc477.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240" alt="image.png"></p>
<p>运行<code>locate .zshrc</code>，查询结果如下</p>
<p><img src="http://upload-images.jianshu.io/upload_images/4060631-d6b43b6f02c60685.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240" alt="image.png"></p>
<p>此时，locate 就可以正确使用了。</p>
<h2 id="使用实例"><a href="#使用实例" class="headerlink" title="使用实例"></a>使用实例</h2><p>1、<code>locate /etc/m</code>     搜索etc下面m开头的文件<br>2、<code>locate -i /etc/m</code>  搜索etc下面m开头的文件忽略大小写</p>
<p><strong>注：  新建的文件和文件夹,直接执行<code>locate</code>进行查找，会查不到，我们需要执行<code>updatedb</code>后再进行查找</strong></p>

      
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  <p><span>本文作者:</span><a href="/" title="访问 Orton Zhang 的个人博客">Orton Zhang</a></p>
  <p><span>本文链接:</span><a href="/2017/10/21/centos7-locate/" title="centos7下locate的使用">http://ortonzhang.com/2017/10/21/centos7-locate/</a>
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